Trailing lawn mower



FIG. 1 is a right side elevational view of a trailing lawn mower showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof.

The undisclosed bottom is unornamented. 

The ornamental design for the trailing lawn mower, as shown and described. 